* {
    margin: 0;
    padding: 0;
}

body {
    background-color: #b8e4f0;
    padding-top: 200px;
    box-sizing: border-box;
}

/* header {
    margin-top: 0;
    background-color: #a4c3eb;
    width: 100%;
    height: 23vh;
    margin: auto;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    position: fixed;
    top: 0;
    box-shadow: 0px 1px 12px rgba(0,0,0,0.4);
} */

a {
    font-size: 26px;
}

li {
    list-style: none;
}

nav{
    width: calc(100% - 2px);
    position: fixed;
    left: 0;
    top: 0;
    height: 8em;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;

    background-color: #a4c3eb;
    box-shadow: 0px 1px 12px rgba(0,0,0,0.4);

    box-sizing: border-box;
    overflow: hidden;
}

.logo{
    width: 7em;
    float: left;
    border: 3px solid #6e9cd8;
    border-radius: 38px;
    margin-left: 200px;
   margin-top: 3px;
   margin-right: 110px;
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}
.logo:active {
    transform: translate(100%);
} 

nav li {
    display: block;
    float: left;
    height: 7em;
    line-height: 7em;
    text-align: center;
    margin-left: 80px;
    font-weight: 600;
    width: 120px;
    
}
nav li a{
    text-decoration: none;
    color: #551A8B;
}

nav li:hover a {
    background-color: #b8e4f0;
    border: 1px solid #b8e4f0;
    border-radius: 20px;
    padding: 7px;
}

nav span a {
    float: right;
    margin-right: 180px;
    margin-top: 2.5em;

    color: #558fda;
} 


.advertisingContent {
    margin: auto;
    width: 1200px;
    height: auto;
    background-color: #161853;
    border-radius: 30px;
    box-shadow: 0px 1px 12px rgba(0,0,0,0.4);
}

.advertisingContent img {
    width: 1200px;
    height: auto; 
}

.advertisingContent span {
    display: block;
    font-size: 33px;
    height: 70px;
    line-height: 70px;
    color: #fff;
    margin-left: 50px;
}

footer{
    background-color: #a4c3eb;
    width: 100%;
    height: 80px;
    margin: auto;
    border-top-left-radius: 28px;
    border-top-right-radius: 28px;
    box-shadow: 0px 1px 12px rgba(0,0,0,0.4);
}
.footerMain{
    width: 80%;
    margin: auto;
}
.footerMain span {

    display: inline-block;
    margin-left: 140px;
    margin-right: 15px;
    color: rgb(29, 32, 117);
    font-size: 18px;
    line-height: 80px;
}